Surface pattern for a vehicle mat



FIG. 1 is a perspective view of a surface pattern for a vehicle mat showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left elevational view thereof;

FIG. 5 is a right elevational view thereof,

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines illustrated show portions of the surface pattern for a vehicle mat that form no part of the claimed design. 

CLAIM The ornamental design for a surface pattern for a vehicle mat, as shown and described. 